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Gre4nikov [31]
3 years ago
10

Periodicity in chemical properties is based on atomic structure." explain.​

Chemistry
1 answer:
Alja [10]3 years ago
3 0

Answer:

Periodicity is caused by regular and predictable variations in element atomic structure. ... The rows in the periodic table (the periods) reflect the filling of electrons shells around the nucleus, so when a new row begins, the elements stack on top of each other with similar please help me rank up

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In a chemical reaction, an iron atom became the ion fe2 . what happened to the iron atom?
padilas [110]
An iron atom has a charge of zero. It's charge increases to 2+. Due to the increase in oxidation state, the atom is said to be oxidised. Oxidation occurs when an atom loses electrons. 
Hence, the answer is (a).
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Help please I need it bad
natta225 [31]
= 9.1 × 10^6
(scientific notation)

= 9.1e6
(scientific e notation)

= 9.1 × 10^6
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(million; prefix mega- (M))

= 9100000
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1. The vertical columns on the periodic table are called groups, how many groups are
zheka24 [161]

Answer:

18

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the numbers at the top tell you

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3 years ago
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Select all that apply.
Fantom [35]

Answer:

1 kg=1000g so 2000 g=2kg and 1 liter of water is equal to 1 kg .as a result 2 kg=2l and if consider 1l as 1000 ml we get 2000 ml

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3 years ago
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What is the nucleotide sequence of an mrna strand that has been transcribed from the dna sequence ggtagc?
lys-0071 [83]

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<h3>What is a nucleotide sequence?</h3>
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brainly.com/question/13540269

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1 year ago
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